Finding the Third Proportional to 3,428.25 and 7,470.38

Step by Step Solution

1. Step 1: Write the proportion equation
   3,428.25 : 7,470.38 = 7,470.38 : x
2. Step 2: Convert to fraction form
   3,428.25/7,470.38 = 7,470.38/x
3. Step 3: Cross multiply
   3,428.25x = 7,470.38 × 7,470.38
4. Step 4: Simplify right side
   3,428.25x = 55,806,502.64
5. Step 5: Solve for x
   x = 55,806,502.64/3,428.25
6. Step 6: Final answer
   x = 16,278.42